224532
domain: N
Appears in sequences
- a(n) = (2*0^n + 3^n*binomial(2*n,n))/3.at n=6A099044
- Triangle of z Transform coefficients from General Pascal [1,10,1} A142459 polynomials multiplied by factor 3^Floor[(2*k - 1)/3].at n=28A167787
- Number of ways to place 2 nonattacking amazons (superqueens) on an n X n toroidal board.at n=26A178972
- Number of defective 3-colorings of an n X 4 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=4A229582
- T(n,k) = number of defective 3-colorings of an n X k 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=32A229586
- Number of defective 3-colorings of a 2 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=9A229587
- Number of defective 3-colorings of a 5 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=3A229590
- Integer areas of the intangents triangle of integer-sided triangles.at n=28A231740